34 
4. Fragments of the coal itself; (a) pure, and resem- 
bling Kilkenny coal, for brewers’ use. 
(6) Associated with quartz. 
(c) Connected with asbestos. 
5. Solid bitumen from Trinidad; various masses. 
6. A set of specimens from the shore of New Spain, 
south of Vera Cruz, of the glassy bituminous kind. Masses 
are cast on shore by the waves. ‘They contain sponges, 
and other productions of the sea; break with a shining and 
vitreous fracture, and emit a very strong bituminous odour ; 
leading to a belief that this singular substance had been 
prepared by the sub-marine fire of some volcano at the 
bottom of the Mexican Gulf. 
7. A fine specimen of mineral coal, exhibiting the 
fibrous and other appearances of charcoal from wood. 
8. Solid bitumen, from Cape St. Antonio, west end of 
Cuba. | 7 : 
9. Solid bitumen, in a tin box, taken from the back of 
an ancient Babylonian brick, (an article of my antiquarian 
collection,) brought from Bussorah, by Captain Henry 
Austen. 
10. Modern bitumen, from some spot between the Tigris 
and Euphrates, where the earth continues to this day to 
afford it.—Austen. 
11. Compact bitumen, from Fort Stevens, Alabama. 
12. A compartment of mineral coal specimens, from 
Lancashire, Wales, Scotland, and Ireland ; but more espe- 
cially from the Glance formation in Pennsylvania of the 
Lehigh and Schuylkill varieties: some of them beautifully 
iridescent. (For the overlying and incumbent slate, see 
Shelf IV., No. 1, a, b, c, &c.) 
13. A large West Indian bean, or seed, found in a stra- 
tum of Lancashire coal. England. 
14, A suite of specimens, showing the constitution of 
peat and turf; from various localities around’ New-York. © 
15. A series of lignites, or samples of wood blackened 
by brimstone, pyrites, or sulphuric acid; from several 
